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Finding the Fourth Proportional to 3,335.92, 4,603.98 and 1,938.67

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Solution

The fourth proportional to 3,335.92, 4,603.98 and 1,938.67 is: 2,675.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,335.92 : 4,603.98 = 1,938.67 : x
  2. Step 2: Convert to fraction form
    3,335.92/4,603.98 = 1,938.67/x
  3. Step 3: Cross multiply
    3,335.92x = 4,603.98 × 1,938.67
  4. Step 4: Simplify right side
    3,335.92x = 8,925,597.91
  5. Step 5: Solve for x
    x = 8,925,597.91/3,335.92
  6. Step 6: Final answer
    x = 2,675.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.